<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <style>
        *{
            margin: 0;
        }

        #screen-video{
            width: 100%;
            height: 100%;
            object-fit: fill;
        }
    </style>
    <h3>Desktop</h3>
    <div>
        <video id="screen-video"></video>
        <script>
            require('./app.js')
        </script>
    </div>
</div>

</body>
</html>